| Équations équilibrées la veille | Équations équilibrées le lendemain |
Sr + CuSO4 = SrSO4 + Cu
K4 = K5 =>
5 K4 = 4 K5
FeCl2 + KMnO4 + H2SO4 = Cl2 + K2SO4 + MnSO4 + Fe2(SO4)3 + H2O(l) =>
10 FeCl2 + 6 KMnO4 + 24 H2SO4 = 10 Cl2 + 3 K2SO4 + 6 MnSO4 + 5 Fe2(SO4)3 + 24 H2O(l)
H2SO4 + Sr = Sr(SO4) + H =>
H2SO4 + Sr = Sr(SO4) + 2 H
H{+} + Cr2O7{-2} + C2H5OH = Cr3{+} + C2H4O4 + H2O =>
32 H{+} + 12 Cr2O7{-2} + 17 C2H5OH = 8 Cr3{+} + 17 C2H4O4 + 33 H2O
C2H5Cl + C2H5NH2 = C2H5NHC2H5 + HCl =>
C2H5Cl + C2H5NH2 = C2H5NHC2H5 + HCl
F + Ir = IrF =>
F + Ir = IrF
CH4 + O3 = CO3 + H2O =>
3 CH4 + 5 O3 = 3 CO3 + 6 H2O
HNO3 + SnO = SnO2 + NO + H2O =>
2 HNO3 + 3 SnO = 3 SnO2 + 2 NO + H2O
KOH + HCO = KCO + H2O =>
KOH + HCO = KCO + H2O
CoCl2 + Na2SiO4 = CoSiO4 + NaCl =>
CoCl2 + Na2SiO4 = CoSiO4 + 2 NaCl
B2S3 + H2O(l) = H3BO3(aq) + H2S(g) =>
B2S3 + 6 H2O(l) = 2 H3BO3(aq) + 3 H2S(g)
C3H5(OH)3 + K2Cr2O7 + H2SO4 = Cr2(SO4) + K2(SO4) + CO2 + H2O =>
5 C3H5(OH)3 + 7 K2Cr2O7 + 14 H2SO4 = 7 Cr2(SO4) + 7 K2(SO4) + 15 CO2 + 34 H2O
XHC2H3O2 + XAl(OH)3 = XH2O + XAl(C2H3O2)3 =>
3 XHC2H3O2 + XAl(OH)3 = 3 XH2O + XAl(C2H3O2)3
KCl + Pb(C2H3O2)2 = K(C2H3O2) + PbCl2 =>
2 KCl + Pb(C2H3O2)2 = 2 K(C2H3O2) + PbCl2
Nb2O5 + H2 = Nb + H2O =>
Nb2O5 + 5 H2 = 2 Nb + 5 H2O
Fe8 + Cl2 = FeCl3 =>
Fe8 + 12 Cl2 = 8 FeCl3
PbO + NH4OH = Pb(OH)2 + (NH4)2O =>
PbO + 2 NH4OH = Pb(OH)2 + (NH4)2O
(CaO)2SiO2 + CuCl2 = CuO + SiO2 + CaCl2 =>
(CaO)2SiO2 + 2 CuCl2 = 2 CuO + SiO2 + 2 CaCl2
Mo(OH)3 + HO2{-} + OH{-} = MoO4{2-} + H2O =>
2 Mo(OH)3 + 3 HO2{-} + OH{-} = 2 MoO4{2-} + 5 H2O
Na2SO3 + NaOH + KMnO4 = K2MnO4 + NaMnO4 + Na2SO4 + H2O =>
Na2SO3 + 2 NaOH + 4 KMnO4 = 2 K2MnO4 + 2 NaMnO4 + Na2SO4 + H2O
C6H5NH2 + H2O = HC6H5NH2 + OH =>
C6H5NH2 + H2O = HC6H5NH2 + OH
F + O4 = F2O6 =>
4 F + 3 O4 = 2 F2O6
NaMnO4 + H2O + Fe(oh)3 = MnO2 + NaOH + Fe(OH)2 =>
2 NaMnO4 + 4 H2O + Fe(oh)3 = 2 MnO2 + 2 NaOH + 3 Fe(OH)2
Mn(NO3)2 + KIO4 + H2O = HMnO4 + KIO3 + HNO3 =>
2 Mn(NO3)2 + 5 KIO4 + 3 H2O = 2 HMnO4 + 5 KIO3 + 4 HNO3
RCHO + Ag(NH3)2{+} + OH{-} = RCOO{-} + Ag + H2O + NH3 =>
RCHO + 2 Ag(NH3)2{+} + 3 OH{-} = RCOO{-} + 2 Ag + 2 H2O + 4 NH3
NaCl(aq) + FeCl3(aq) = NaCl3(aq) + FeCl =>
NaCl(aq) + FeCl3(aq) = NaCl3(aq) + FeCl
Al(OH)3 + KOH = HOH + KAlO2 =>
Al(OH)3 + KOH = 2 HOH + KAlO2
CrCl3 + Zn = CrCl2 + ZnCl2 =>
2 CrCl3 + Zn = 2 CrCl2 + ZnCl2
PCl3 = PCl2 + Cl2 =>
2 PCl3 = 2 PCl2 + Cl2
Zn + Ag2O + H2O = Zn(OH)2 + Ag =>
Zn + Ag2O + H2O = Zn(OH)2 + 2 Ag
CuS + HNO3 = Cu(NO3)2 + H2O + NO + S =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO + 3 S
Mn + O2(s) = Mn2(s)O4(s) =>
2 Mn + 2 O2(s) = Mn2(s)O4(s)
C2H5OH + Ag2O = CH3COH + H2O + Ag =>
C2H5OH + Ag2O = CH3COH + H2O + 2 Ag
H3PO4 + BaCl2 = BaPO4 + H3Cl2 =>
H3PO4 + BaCl2 = BaPO4 + H3Cl2
Fe + Cl23 = FeCl2 =>
23 Fe + 2 Cl23 = 23 FeCl2
H3PO4 + (NH4)3MoO4 + HNO3 = (NH4)3PO4*13MoO3 + H2O + NH4NO3 =>
8 H3PO4 + 104(NH4)3MoO4 + 314 HNO3 = 8(NH4)3PO4*13MoO3 + 143 H2O + 301 NH4NO3
Ta + H2O = Ta2O5 + H2 =>
2 Ta + 5 H2O = Ta2O5 + 5 H2
HBO2 + Mg(OH)2 = Mg(BO2)2 + H2O =>
2 HBO2 + Mg(OH)2 = Mg(BO2)2 + 2 H2O
NaCl + F2 = Na + FCl =>
2 NaCl + F2 = 2 Na + 2 FCl
CU + K2SO4 = K + CUSO4 =>
CU + K2SO4 = 2 K + CUSO4
SO2 + H2O = SO + HO =>
SO2 + H2O = SO + 2 HO
NaOH + CuS = Cu(OH)2 + Na2S =>
2 NaOH + CuS = Cu(OH)2 + Na2S
H3SO4 + Ca = CaSO4 + H2 =>
2 H3SO4 + 2 Ca = 2 CaSO4 + 3 H2
Cu(OH)2(s) + H2SO4 = CuSO4 + H2O(l) =>
Cu(OH)2(s) + H2SO4 = CuSO4 + 2 H2O(l)
K2Cr2O7 + H2SO4 + FeSO4 = K2SO4 + Cr2(SO4)2 + Fe2(SO4)3 + H2O =>
K2Cr2O7 + 7 H2SO4 + 8 FeSO4 = K2SO4 + Cr2(SO4)2 + 4 Fe2(SO4)3 + 7 H2O
H4O10 + C = HC2 + O2C =>
H4O10 + 13 C = 4 HC2 + 5 O2C
(NH4)2Fe(SO4)2 + K3[Fe(CN)6] = KFe[Fe(CN)6] + (NH4)2SO4 + K2SO4 =>
(NH4)2Fe(SO4)2 + K3[Fe(CN)6] = KFe[Fe(CN)6] + (NH4)2SO4 + K2SO4
(NH4)SO4 + Ca(NO3)2 = NH4(NO3)2 + CaSO4 =>
(NH4)SO4 + Ca(NO3)2 = NH4(NO3)2 + CaSO4
ZnOC = ZnCO =>
ZnOC = ZnCO
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Équations équilibrées sur12/21/24
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